Is hachnasas orchim (welcoming guests) a mitzvah (either of biblical or rabbinic origin)? If not why is it considered more important than greeting the divine presence (bereshis 18:3 Rashi)? Does it ...

Is there a mitzvah of welcoming guests who are non-Jews?
I know Avraham welcomed non-Jews into his home, but that could be different for several reasons: There was no formal mitzvah and he was just ...

If a Jew lends a player in a multiplayer online game money, and he knows without a doubt that that player is Jewish, does the prohibition of ribis apply? (After all, the only thing that changed was a ...

An answer on this question suggests that if a boy fathers a child before he is bar mitzvah (which is physically possible), then he fulfills p'ru ur'vu even though he wasn't yet commanded. Is that a ...

Whenever a Jew performs an activity that is mandated by the Torah, s/he recites the blessing that acknowledges God, "אשר קדשנו במצוותיו" (who sanctified us with his commandments), and who commanded us ...

We often see that the author of a p'sak maintains that a ruling is d’oraita even in cases when there is no link to any of the 613 mitzvot listed by Rambam, etc. Must every halacha ruled as a d’oraita ...

Should a single male whose family doesn't light shabbos candles light a candle before shabbos? Also practically speaking when would he do so considering one is most likely to go to shul for minchah ...

Starting with the dibros, YbU introduces some mitzvos with the words 'Ami bnei Yisrael" and I don't see the pattern as to when he does and when he doesn't. Anyone have an idea which ones deserve this ...

While I have no exact count, I read somewhere (don't recall if it was Ramba"m or similar source) that loving the convert is the one mitzvah that is repeated most often in the Torah. If this is true, ...

Why are women obligated to say over the story of pesach on pesach if its a time bound mitzva? By matza there is a special derasha used. and the other mitzvos are Rabbinical, so you can say since they ...

Avraham leaves Hashem to deal with guests in Vayera - because welcoming guests is greater than Kabolas Pnei HaSh'china.
Does that mean we can interrupt our Shmoneh Esrei to do mitzvahs? At least to ...

Can one say l'shem mitzvas tiztzis in a bathroom? I was thinking of a case of tying the knots or fixing it. Since tiztzis is not a davar shebikedusha maybe it should be fine, or maybe since its mitzva ...

My grandmother has pretty progressed Alzheimer's disease. I have seen throughout the Oral Tradition the concept of a person with certain medical conditions, such as a deaf mute, or a person who lacks ...

Why is the positive mitzvah to eat matza only for the first day of Peach?
If the psukim either state to eat for 7 days in Shmot or 6 days in Devarim,
why is it a postive obligation to eat it only the ...

I know there are seven specific commandments to noachides but recently I was talking to a Rabbi who told me actually noachides have 420 commandments and the Jewish nation has 613. Can anyone point me ...

There seems to be a lot of different ways to tie tzitzit knots. From the little I understand this is based on various symolism and numeric value (see this question/answer). I would like to know what ...

A convert is suppoed to accept the ol mitzvot, the burden of halacha but does this mean an explicit intent to follow the mitzvot or simply the acceptance that there is a punishment if the mitzvot are ...

Let's say that a person has a reason to think his mother might be Jewish (there is some evidence, but only a little), and it is likely that the person will never be able to know for sure. In such a ...

There are many Mitzvos we can not do in today's generation. For example there are no Korbonos, no slaves, etc.
Per the Chofetz Chaim, there are 77 positive Mitzvos and 194 negative Mitzvos which can ...

Is there an actual mitzvah for women to dress tzanua in and of itself? Or is it simply helping out a man's mitzvah of not looking at ervah when learning/saying brachas, and not being led to forbidden ...

If you combine all the known lists of the "613 Mitzvot" (Rambam, Ramban, Semag, etc.), how many total mitzvot are listed by at least one person as a Mitzvah Deoreitya?
I am curious to compare this to ...

The first commandment in the Torah is Peru U'Revu, the commandment to "be fruitful and multiply" (Bereshit 1:28).
When does the obligation to fulfill this commandment begin?
Does the Mitzva of Peru ...

I recently called an exterminator to remove a hornets' nest in a tree overhanging my roof. Since my roof is slanted, with no direct access to it, and it starts at about 9 feet off the ground and peaks ...

The Gemara in many places is clear that there is some level of mitzvah to live in Israel. This is also the accepted consensus among the rishonim. In the past, it was very difficult to move to Israel, ...